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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Hexagon socket button head screws
WITHDRAWN published on 10.12.2015
Selected format:Hexagon socket countersunk head screws
WITHDRAWN published on 26.9.2000
Selected format:Hexagon socket countersunk head screws
WITHDRAWN published on 25.8.2008
Selected format:Hexagon socket button head screws with collar
WITHDRAWN published on 10.12.2015
Selected format:Carbon structural steels
WITHDRAWN published on 29.6.1988
Selected format:General safety requirements and tests for luminaires
WITHDRAWN published on 1.1.1986
Selected format:General safety requirements and tests for luminaires
WITHDRAWN published on 17.6.1996
Selected format:General safety requirements and tests for luminaires
WITHDRAWN published on 29.11.2002
Selected format:Luminaires—Part 1:General requirements and tests
WITHDRAWN published on 12.11.2007
Selected format:Luminaires—Part 1General requirements and tests
WITHDRAWN published on 31.12.2015
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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